Magic: the Gathering (MTG) Artifact Creature — Horse card from Exodus courtesy of Deckmaster
Workhorse comes into play with four +1/+1 counters on it. Remove a +1/+1 counter from Workhorse: Add one colorless mana to your mana pool. Play this ability as a mana source.
142 EX • ENDiTerlizzi
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Legal in: Tempest Block,Legacy,Vintage,Commander